largefiles: remove unused imports

This fixes test-check-pyflakes.t
15 jobs for topic/default/test-fix in 26 minutes and 55 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Tests
passed #150809
checks-py2

00:04:37

passed #150810
checks-py3

00:03:08

passed #150811
rust-cargo-test-py2

00:03:07

passed #150812
rust-cargo-test-py3

00:02:46

passed #150813
rust-cargo-test-py3-dirstate-tree

00:03:06

passed #150814
test-py2

00:26:54

passed #150821
test-py2-chg

00:26:16

failed #150816
test-py2-pure

00:13:57

passed #150818
test-py2-rust

00:24:10

passed #150815
test-py3

00:09:13

passed #150822
test-py3-chg

00:10:55

failed #150817
test-py3-pure

00:16:47

failed #150819
test-py3-rust

00:17:33

passed #150820
test-py3-rust-dirstate-tree

00:21:46

 
  Phabricator
skipped #150823
phabricator-refresh
 
Name Stage Failure
failed
test-py3-rust Tests
Skipped test-sqlitestore.t: missing feature: sqlite3 module is available
Skipped test-verify-repo-operations.py: missing feature: allow slow tests (use --allow-slow-tests)
Skipped test-wireproto-exchangev2-shallow.t: missing feature: sqlite3 module is available
Failed test-manifest.t: output changed
# Ran 869 tests, 77 skipped, 1 failed.
python hash seed: 3194339324
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit code 1
failed
test-py3-pure Tests
Skipped test-sqlitestore.t: missing feature: sqlite3 module is available
Skipped test-verify-repo-operations.py: missing feature: allow slow tests (use --allow-slow-tests)
Skipped test-wireproto-exchangev2-shallow.t: missing feature: sqlite3 module is available
Failed test-upgrade-repo.t: output changed
# Ran 865 tests, 81 skipped, 1 failed.
python hash seed: 4116900982
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit code 1
failed
test-py2-pure Tests
Skipped test-sparse-fsmonitor.t: skipped
Skipped test-sparse-revlog.t: missing artifact, run "/tmp/mercurial-ci/tests/artifacts/scripts/generate-churning-bundle.py"
Skipped test-sqlitestore.t: missing feature: sqlite3 module is available
Skipped test-verify-repo-operations.py: missing feature: allow slow tests (use --allow-slow-tests)
Skipped test-wireproto-exchangev2-shallow.t: missing feature: sqlite3 module is available
Failed test-upgrade-repo.t: output changed
# Ran 870 tests, 76 skipped, 1 failed.
python hash seed: 1681797412
ERROR: Job failed: exit code 1